/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.pipe.it.autocreate;

import org.apache.iotdb.common.rpc.thrift.TSStatus;
import org.apache.iotdb.commons.client.sync.SyncConfigNodeIServiceClient;
import org.apache.iotdb.confignode.rpc.thrift.TCreatePipeReq;
import org.apache.iotdb.consensus.ConsensusFactory;
import org.apache.iotdb.db.it.utils.TestUtils;
import org.apache.iotdb.it.env.MultiEnvFactory;
import org.apache.iotdb.it.env.cluster.node.DataNodeWrapper;
import org.apache.iotdb.it.framework.IoTDBTestRunner;
import org.apache.iotdb.itbase.category.MultiClusterIT2AutoCreateSchema;
import org.apache.iotdb.rpc.TSStatusCode;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

@RunWith(IoTDBTestRunner.class)
@Category({MultiClusterIT2AutoCreateSchema.class})
public class IoTDBPipeWithLoadIT extends AbstractPipeDualAutoIT {

  @Before
  public void setUp() {
    MultiEnvFactory.createEnv(2);
    senderEnv = MultiEnvFactory.getEnv(0);
    receiverEnv = MultiEnvFactory.getEnv(1);

    // TODO: delete ratis configurations
    senderEnv
        .getConfig()
        .getCommonConfig()
        .setAutoCreateSchemaEnabled(true)
        .setConfigNodeConsensusProtocolClass(ConsensusFactory.RATIS_CONSENSUS)
        .setSchemaRegionConsensusProtocolClass(ConsensusFactory.RATIS_CONSENSUS)
        // Disable sender compaction to test mods
        .setEnableSeqSpaceCompaction(false)
        .setEnableUnseqSpaceCompaction(false)
        .setEnableCrossSpaceCompaction(false);
    receiverEnv
        .getConfig()
        .getCommonConfig()
        .setAutoCreateSchemaEnabled(true)
        .setConfigNodeConsensusProtocolClass(ConsensusFactory.RATIS_CONSENSUS)
        .setSchemaRegionConsensusProtocolClass(ConsensusFactory.RATIS_CONSENSUS);

    // 10 min, assert that the operations will not time out
    senderEnv.getConfig().getCommonConfig().setDnConnectionTimeoutMs(600000);
    receiverEnv.getConfig().getCommonConfig().setDnConnectionTimeoutMs(600000);

    senderEnv.initClusterEnvironment();
    receiverEnv.initClusterEnvironment();
  }

  /**
   * Test that when the receiver loads data from TsFile, it will not load timeseries that are
   * completed deleted by mods.
   *
   * @throws Exception
   */
  @Test
  public void testReceiverNotLoadDeletedTimeseries() throws Exception {
    final DataNodeWrapper receiverDataNode = receiverEnv.getDataNodeWrapper(0);
    final String receiverIp = receiverDataNode.getIp();
    final int receiverPort = receiverDataNode.getPort();

    final Map<String, String> extractorAttributes = new HashMap<>();
    final Map<String, String> processorAttributes = new HashMap<>();
    final Map<String, String> connectorAttributes = new HashMap<>();

    // Enable mods transfer
    extractorAttributes.put("source.mods.enable", "true");

    connectorAttributes.put("connector.batch.enable", "false");
    connectorAttributes.put("connector.ip", receiverIp);
    connectorAttributes.put("connector.port", Integer.toString(receiverPort));

    try (final SyncConfigNodeIServiceClient client =
        (SyncConfigNodeIServiceClient) senderEnv.getLeaderConfigNodeConnection()) {
      // Generate TsFile and mods on sender. There are 6 time-series in total.
      // Time-series not affected by mods: d1.s1, d2.s1
      // Time-series partially deleted by mods: d1.s2, d3.s1
      // Time-series completely deleted by mods: d1.s3, d4.s1 (should not be loaded by receiver)
      if (!TestUtils.tryExecuteNonQueriesWithRetry(
          senderEnv,
          Arrays.asList(
              "insert into root.db.d1 (time, s1, s2, s3) values (1, 1, 1, 1), (3, 3, 3, 3)",
              "insert into root.db.d2 (time, s1) values (1, 1), (3, 3)",
              "insert into root.db.d3 (time, s1) values (1, 1), (3, 3)",
              "insert into root.db.d4 (time, s1) values (1, 1), (3, 3)",
              "flush",
              "delete from root.db.d1.s2 where time <= 2",
              "delete from root.db.d1.s3 where time >= 1 and time <= 3",
              "delete from root.db.d3.** where time <= 2",
              "delete from root.db.d4.** where time >= 1 and time <= 3",
              "flush"))) {
        return;
      }

      TSStatus status =
          client.createPipe(
              new TCreatePipeReq("p1", connectorAttributes)
                  .setExtractorAttributes(extractorAttributes)
                  .setProcessorAttributes(processorAttributes));
      Assert.assertEquals(TSStatusCode.SUCCESS_STATUS.getStatusCode(), status.getCode());
      Assert.assertEquals(
          TSStatusCode.SUCCESS_STATUS.getStatusCode(), client.startPipe("p1").getCode());

      TestUtils.assertDataEventuallyOnEnv(
          receiverEnv, "count timeseries", "count(timeseries),", Collections.singleton("4,"));
    }
  }
}
